Police said the New Hampshire State Police Narcotics and Investigations Unit, along with the Manchester Police Departments Special Investigations Unit and New Ipswich Police Department arrested 27-year-old Nicholas Perry of New Ipswich at the end of a month-long investigation.

Officers said Perry was suspected of trying to sell drugs.

While serving a search warrant at 108 Mason Road in New Ipswich, police said they found approximately four ounces of methamphetamine, a .40 caliber Smith & Wesson handgun, a .45 caliber H&K handgun with a silencer, ammunition, scales, packaging materials and a money counter.

Perry was charged with one count of conspiracy to possess with intent sell a narcotic drug.

He is being held on $100,000 cash bail and is scheduled to be arraigned Tuesday at 8 a.m. in the 9th Circuit Court.